changeThreadEmoji doesn't throw error when using invalid emoji

[ghost]

Describe the bug As title says.

To Reproduce Part of your code causing the issue or the steps to reproduce the behavior:

    session.changeThreadEmoji('valid thread id here', 'something that is not emoji here').then(() => {
        console.log('success!');
    }).catch(err => {
        console.error(err);
    });

Expected behavior An error should be thrown

Actual behavior success is present

Environment (please complete the following information):

• OS: Windows 10 21H1 x64 19043.867
• Node version: 15.14.0
  • ts-messenger-api package version: latest from github